He is currently designing and implementing a language called *fix for the OpenRPN Project.
Jon's main computer for many years was a 286 running DOS. During this time he was known as The286Crusader. Then it was a Tangerine iMac running MacOS 9, then MacOSX, finally Debian GNU/Linux. Sadly, the iMac died after 3.5 years of service. So Jon now has an Athlon based PC running CRUX.
Brother of MattPurvis.